Alright, let's work through 7880 times 9606 step by step
7880 × 9606 = 9606 × (7880)
+ 9606 × 0 that equals 0
+ 9606 × 80 yielding 768480
+ 9606 × 800 that results in 7684800
+ 9606 × 7000 yielding 67242000

= 75695280
